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H1 H2 Hv estimators all the same
Hi Riccardo, I'm only marginally familiar with the H1/H2 methods of estimation. Keeping that in mind ... load data.mat force ...

más de 1 año hace | 0

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Help using logic to edit table
T = table(["H";"L";"H";"L"],(1:4).','VariableNames',["Tide","Height"]) Thigh = T(T.Tide=="H",:) Tlow = T(T.Tide=="L",:) Or, i...

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Pregunta

Does Symbolic int() Always Return Justifiable Results When the Integrand Includes a kroneckerDelta?
Integrating the kroneckerDelta sounds a bit weird, but it it it's allowe it should be consistent. Define the Kronecker Delta an...

más de 1 año hace | 0 respuestas | 0

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Inverse Fourier transform of unilateral exponential function - ifourier MATLAB
syms t f a = sym('a','positive'); Y(f) = 1/(a + pi*f*2i) The default parameters in sympref assume that the transfomr variable...

más de 1 año hace | 0

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pole placement controller gain trouble with identified receptance
Hi GIOVANNI, I don't understand what the math is trying to do or how f and g will be used, so this answer may be limited in sco...

más de 1 año hace | 0

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Issue with Laplace Transform for Exponential Functions in MATLAB
Hi FFU, Let's take a look at these one by one. syms t real f1 = 2^(-t); I've never seen a Laplace transform table that inclu...

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Magnitude Plot Incorrect Frequency
Recheck the conversion from rad/sec to Hz in the plot command for the magnitude of the spectrum

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Pregunta

Why Doesn't doc Show Links to Other Uses of the Same Function?
Using 2024a with local documentation .... I just realized that when I open a doc page for a function that I no longer get the b...

más de 1 año hace | 0 respuestas | 0

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Plotting Resistance vs Frequency Response
Looks like the model also need an Input Perturbation to define the input to the transfer function. Should be on the same menu as...

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Filter cascade with raised cosine filter and half-band filter
Fs = 20e3; Fp = 15e3; rc = rcosdesign(0.35, 5, 2, 'sqrt'); Fs2 = 4*Fs; % Sample rate Fp2 = Fp; % Passband edge Fh2 = ...

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vpasolve finds no solutions except the null solution
This code exceeds the run time limit here, and is taking forever running on my computer, so don't know what it produces. If sol...

más de 1 año hace | 2

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Subtraction of two symbolic matrices gives error "Array sizes must match" when the sizes are the same
Hi Jacob, Start of code rng(3) L=randi([1 10],3,3,4,4); N=randi([1 10],3,4); syms xvec [4,1] real syms xmat [4,4] real og...

más de 1 año hace | 1

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c2d Tustin not matching analytical method
Hi Alborz, %% Filter Specs Ts = 0.01; zeta = 1; wn_rps = 30 *2*pi; %% C2D (tustin) s = tf('s'); tf_cont = wn_rps^2 / (s...

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Modify function_handle in Simulink matlab function
Assuming the ultimate goal is to have nonConOption as an input to the MatlabFunction block, I got this to work in the MatlabFunc...

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How can I import variables from a Simulink Model Workspace to my MATLAB workspace?
Hi Hansi, Use get_param to create a handle the model workspace, and then loop over the variables in the model workspace and ass...

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Inverse fourier transfer of cos function with time shift
Hi Matt, Keep in mind that you are inherently dealing with a windowed cosine, x1(t) = cos(4*pi*t)*w(t), where w(t) = 1 for 0 <=...

más de 1 año hace | 0

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Simulink Matlabfunction does not support Global Optimization toolbox
The MatlabFunction block always generates code, even in Normal mode. One option that may be workable is to implement your optim...

más de 1 año hace | 1

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Switch Block: Can we disable Integer Round off option
Saturation block might be useful ...

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One zero is missing in the result of c2d function uses 'matche'
sysc = tf(11,[1,1,0]) sysd=c2d(sysc,.1,'matched'); zpk(sysd) Is the addtional zero in the textbook also at z = -1?

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My Step Response plot from Matlab does not match the one from Simulink
Hi Javier, You might want to investigate the step size control options in Simulink. The plot looks a bit jagged, which suggests...

más de 1 año hace | 0

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Stability Margins for MIMO Feedback Loop
Load in the data load linsys format short e The open loop system has a pole just to the right of the real axis. Maybe this is...

más de 1 año hace | 0

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can anyone explain the difference between fft and freqz commands?
freqz is a general purpose function for computing the frequency response of a discrete-time filter. The filter can have an infin...

más de 1 año hace | 0

Pregunta

Incorrect Substitution with subs() from Workspace Variables?
syms alpha s H t system = 1/(s + 1/alpha); y = ilaplace(1/s * (1-exp(-s*H)) * system) Define specific values for alpha and H ...

más de 1 año hace | 1 respuesta | 0

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IFFT results in wrong frequency
The inverse Discrete Fourier Transform, as implemented by ifft, maps a signal from discrete frequency to discrete time. Each ele...

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Respondida
How can I use the function coeffs() as the input to the function tf()?
Unless there are reasons to use syms other then to compute the polynomials, it's probably better and easier to avoid syms altoge...

más de 1 año hace | 0

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Array of transfer function (nxn) when multplied with an array of constant nx1 give issue
Example matrices rng(100); A = rand(3); M = rand(3,1); s = tf('s'); T = inv(s*eye(3)-A) H = T*M Your are correct that each...

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Pregunta

Should mldivide Return a Solution for Square, Rank-Deficient, but Consistent Set of Linear Equations?
load lindata A and b define a linear system of equations Ax = b. A is 12 x 12 with rank rank(A) But the linear equations are...

más de 1 año hace | 2 respuestas | 0

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Solve equilibrium equations in MATLAB for a quadruped robot
Problem parameters W = [1; 1; 10]; x1=50;y1=31.65;z1=16.09; x2=sym(44.68);y2=sym(-27.26);z2=sym(-24.34); x3=-4.72;y3=-24.4;z...

más de 1 año hace | 0

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How can I make the Nichols chart background grid more prominent when using Nicholsplot? (Too faint.)
You can change the linewidth of the grid lines plotoptions = nicholsoptions; plotoptions.GridColor = [0.0 0.0 0.0]; plotoptio...

más de 1 año hace | 0

Pregunta

Why Must the TimeZone be Specified for datetime when the Time Zone is Included in the DateString?
Suppose I have a date string fu = "Mon Mar 3 12:20:40 EST 2025" Converting to datetime causes an error because the TimeZone in...

más de 1 año hace | 1 respuesta | 0

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